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Thread: need help mazak alarm 31

  1. #1

    Default need help mazak alarm 31

    Hi, i have a mazak m-plus cnc that bring the alarm "31 servo malfunction 1", in my manual only appears alarms from 200 and above, does anyone know the complete explanation of the alarm? From the number 1 in the alarm i would think it refers to x axis.

    All the axis controller goes to E7 (e-stop), but none of them shows any different alarm.

    Anyone?

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  2. #2
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    Default

    Check your drives and see which one is in alarm. With servo alarms, you have to power down to clear... you have tried that right? If it's still there, check the drives to see which one shows alarm and look up the alarm in the Mitsubishi book or call Mitsubishi... maybe a bad drive...

    It's just a part..... cutter still goes round and round....


  3. #3

    Default

    MDS Alarm S01 0031 6.98KB PDF

    Overspeed - The motor is operating at a speed faster than machine parameters allow.



    Regards,

    Chippy



  4. #4

    Default

    When i turn the machine off and on again the alarms dissapers and the cnc works for 2-5 minutes and again i have the alarm. Sometimes the alarm appers when i turn the controller on, i doesnt even move.

    The drives only show F1 E7 ....F4 E7.....F3 E7.....and so, but none of them show any different alarm than E7, the alarm "31 servo malfunction 1" only appears at the operator panel, but no on the drives, thats what i dont undertand.

    Help anyone?



  5. #5

    Default

    What kind of machine do you have? What is the model?

    Regards,

    Chippy



  6. #6

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    The machine is a mazak vtc-20b with a mazatrol plus control

    Thanks in advance



  7. #7
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    Default Alm 31

    Alarm 31 is a servo power off malfunction. Check the servo power supply for voltage into and out of.
    Lee



  8. #8

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    Are you reading the alarm at the bottom of the operation pamel? If so, please go to the maintenace scren and give us any additional information regarding the alarm. Sometimes there are () from the right of the alarm with additional numbers.

    Regards,

    Chippy



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